From d73a64228a6502ce68e1c9fd1cc5197863a50c7e Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Sun, 16 Mar 2014 02:23:14 -0400
Subject: doom: Add -dehlump parameter to load DEHACKED lumps.

Lots of otherwise Vanilla-compatible WADs contain DEHACKED lumps.
Allow these to be loaded by adding a -dehlump command line parameter.
Thanks to Fabian Greffrath for the suggestion (fixes #349).
---
 src/doom/d_main.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/doom/d_main.c')

diff --git a/src/doom/d_main.c b/src/doom/d_main.c
index 3badb4ad..4068f677 100644
--- a/src/doom/d_main.c
+++ b/src/doom/d_main.c
@@ -1050,7 +1050,7 @@ static void LoadHacxDeh(void)
 
     if (gameversion == exe_hacx)
     {
-        if (!DEH_LoadLumpByName("DEHACKED"))
+        if (!DEH_LoadLumpByName("DEHACKED", true))
         {
             I_Error("DEHACKED lump not found.  Please check that this is the "
                     "Hacx v1.2 IWAD.");
@@ -1425,6 +1425,31 @@ void D_DoomMain (void)
         I_PrintDivider();
     }
 
+    // Load DEHACKED lumps from WAD files - but only if we give the right
+    // command line parameter.
+
+    //!
+    // @category mod
+    //
+    // Load Dehacked patches from DEHACKED lumps contained in one of the
+    // loaded PWAD files.
+    //
+    if (M_ParmExists("-dehlump"))
+    {
+        int i, loaded = 0;
+
+        for (i = 0; i < numlumps; ++i)
+        {
+            if (!strncmp(lumpinfo[i].name, "DEHACKED", 8))
+            {
+                DEH_LoadLump(i, false);
+                loaded++;
+            }
+        }
+
+        printf("Loaded %i DEHACKED lumps from WAD files.\n", loaded);
+    }
+
     DEH_printf("I_Init: Setting up machine state.\n");
     I_CheckIsScreensaver();
     I_InitTimer();
-- 
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